Vulnerability in Oracle Database Server
CVE-2020-2511
Vulnerability in the Core RDBMS component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1, 18c and 19c. Easily exploitable vulnerability allows low privileged attacker having Create Session privilege with network access via OracleNet to compromise Core RDBMS. While the vulnerability is in Core RDBMS, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Core RDBMS. CVSS 3.0 Base Score 7.7 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H).
EPSS: 0.013 (67.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Oracle Database_server — versions 12.1.0.2, 12.2.0.1, 18c
- Oracle Corporation Database — versions 12.1.0.2, 12.2.0.1, 18c
Public proof-of-concept exploits
References
- secalert_us@oracle.com (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-2511?
- CVE-2020-2511 is a high-severity vulnerability in Oracle Database Server. CVSS score: 7.7/10. Published 2020-01-15.
- How severe is CVE-2020-2511?
- High severity. CVSS v3 base score is 7.7 out of 10.
- Is CVE-2020-2511 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.